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Assertion: 99 per cent animals and nearl...

Assertion: 99 per cent animals and nearly all plants are conformers.
Reason: During the course of evolution, the costs and benefits of maintaining a constant internal environment are taken into consideration.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

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The correct Answer is:
A
99 per cent animals and nearly all plants are conformers as during the course of evolution, the costs and benefits of maintaining a constant internal environment are taken into consideration.
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